Attribute "lazy" with value "true" must have a value from the list "false proxy noproxy "

Hibernate 3.2 版本

当设置lazy="true"属性时，会产生该个异常:

Attribute "lazy" with value "true" must have a value from the list "false proxy no-proxy "

原因是:Hibernate3以后的版本，默认的lazy属性就是true，如果再次设置lazy="true"就会发生该异常，去掉问题解决.